[PATCH 33/33] efi: Move arch_tables check to caller

Ard Biesheuvel
2020-04-24T13:07:29Z

Instead of making match_config_table() test its table_types pointer for
NULL-ness, omit the call entirely if no arch_tables pointer was provided
to efi_config_parse_tables().

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
drivers/firmware/efi/efi.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index e49c0b6db988..48d0188936c3 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -525,15 +525,13 @@ static __init int match_config_table(const efi_guid_t *guid,
{
int i;

- if (table_types) {
- for (i = 0; efi_guidcmp(table_types[i].guid, NULL_GUID); i++) {
- if (!efi_guidcmp(*guid, table_types[i].guid)) {
- *(table_types[i].ptr) = table;
- if (table_types[i].name[0])
- pr_cont(" %s=0x%lx ",
- table_types[i].name, table);
- return 1;
- }
+ for (i = 0; efi_guidcmp(table_types[i].guid, NULL_GUID); i++) {
+ if (!efi_guidcmp(*guid, table_types[i].guid)) {
+ *(table_types[i].ptr) = table;
+ if (table_types[i].name[0])
+ pr_cont("%s=0x%lx ",
+ table_types[i].name, table);
+ return 1;
}
}

@@ -570,7 +568,7 @@ int __init efi_config_parse_tables(const efi_config_table_t *config_tables,
table = tbl32[i].table;
}

- if (!match_config_table(guid, table, common_tables))
+ if (!match_config_table(guid, table, common_tables) && arch_tables)
match_config_table(guid, table, arch_tables);
}
pr_cont("\n");
--
2.17.1